diff --git a/graphics/java/android/graphics/Bitmap.java b/graphics/java/android/graphics/Bitmap.java
index abdab39afd6b2..8a36120d3158b 100644
--- a/graphics/java/android/graphics/Bitmap.java
+++ b/graphics/java/android/graphics/Bitmap.java
@@ -23,6 +23,7 @@ import android.annotation.Nullable;
 import android.annotation.Size;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.os.StrictMode;
 import android.os.Trace;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -600,6 +601,13 @@ public final class Bitmap implements Parcelable {
         src.position(position);
     }
 
+    private void noteHardwareBitmapSlowCall() {
+        if (getConfig() == Config.HARDWARE) {
+            StrictMode.noteSlowCall("Warning: attempt to read pixels from hardware "
+                    + "bitmap, which is very slow operation");
+        }
+    }
+
     /**
      * Tries to make a new bitmap based on the dimensions of this bitmap,
      * setting the new bitmap's config to the one specified, and then copying
@@ -618,6 +626,7 @@ public final class Bitmap implements Parcelable {
         if (config == Config.HARDWARE && isMutable) {
             throw new IllegalArgumentException("Hardware bitmaps are always immutable");
         }
+        noteHardwareBitmapSlowCall();
         Bitmap b = nativeCopy(mNativePtr, config.nativeInt, isMutable);
         if (b != null) {
             b.setPremultiplied(mRequestPremultiplied);
@@ -635,6 +644,7 @@ public final class Bitmap implements Parcelable {
      */
     public Bitmap createAshmemBitmap() {
         checkRecycled("Can't copy a recycled bitmap");
+        noteHardwareBitmapSlowCall();
         Bitmap b = nativeCopyAshmem(mNativePtr);
         if (b != null) {
             b.setPremultiplied(mRequestPremultiplied);
@@ -652,6 +662,7 @@ public final class Bitmap implements Parcelable {
      */
     public Bitmap createAshmemBitmap(Config config) {
         checkRecycled("Can't copy a recycled bitmap");
+        noteHardwareBitmapSlowCall();
         Bitmap b = nativeCopyAshmemConfig(mNativePtr, config.nativeInt);
         if (b != null) {
             b.setPremultiplied(mRequestPremultiplied);
@@ -772,6 +783,7 @@ public final class Bitmap implements Parcelable {
 
         boolean isHardware = source.getConfig() == Config.HARDWARE;
         if (isHardware) {
+            source.noteHardwareBitmapSlowCall();
             source = nativeCopyPreserveInternalConfig(source.mNativePtr);
         }
 
@@ -1218,6 +1230,7 @@ public final class Bitmap implements Parcelable {
         if (quality < 0 || quality > 100) {
             throw new IllegalArgumentException("quality must be 0..100");
         }
+        StrictMode.noteSlowCall("Compression of a bitmap is slow");
         Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, "Bitmap.compress");
         boolean result = nativeCompress(mNativePtr, format.nativeInt,
                 quality, stream, new byte[WORKING_COMPRESS_STORAGE]);
@@ -1792,6 +1805,7 @@ public final class Bitmap implements Parcelable {
      */
     public void writeToParcel(Parcel p, int flags) {
         checkRecycled("Can't parcel a recycled bitmap");
+        noteHardwareBitmapSlowCall();
         if (!nativeWriteToParcel(mNativePtr, mIsMutable, mDensity, p)) {
             throw new RuntimeException("native writeToParcel failed");
         }
@@ -1838,6 +1852,7 @@ public final class Bitmap implements Parcelable {
     public Bitmap extractAlpha(Paint paint, int[] offsetXY) {
         checkRecycled("Can't extractAlpha on a recycled bitmap");
         long nativePaint = paint != null ? paint.getNativeInstance() : 0;
+        noteHardwareBitmapSlowCall();
         Bitmap bm = nativeExtractAlpha(mNativePtr, nativePaint, offsetXY);
         if (bm == null) {
             throw new RuntimeException("Failed to extractAlpha on Bitmap");
@@ -1853,6 +1868,8 @@ public final class Bitmap implements Parcelable {
      */
     public boolean sameAs(Bitmap other) {
         checkRecycled("Can't call sameAs on a recycled bitmap!");
+        noteHardwareBitmapSlowCall();
+        other.noteHardwareBitmapSlowCall();
         if (this == other) return true;
         if (other == null) return false;
         if (other.isRecycled()) {
diff --git a/libs/hwui/hwui/Bitmap.cpp b/libs/hwui/hwui/Bitmap.cpp
index d7f75fc7fd655..d765584a7530c 100644
--- a/libs/hwui/hwui/Bitmap.cpp
+++ b/libs/hwui/hwui/Bitmap.cpp
@@ -486,7 +486,6 @@ void Bitmap::setAlphaType(SkAlphaType alphaType) {
 void Bitmap::getSkBitmap(SkBitmap* outBitmap) {
     outBitmap->setHasHardwareMipMap(mHasHardwareMipMap);
     if (isHardware()) {
-        ALOGW("Warning: attempt to read pixels from hardware bitmap, which is very slow operation");
         outBitmap->allocPixels(info());
         uirenderer::renderthread::RenderProxy::copyGraphicBufferInto(graphicBuffer(), outBitmap);
         return;